฿3,720 - Cheap flights from Washington (IAD) to Chicago (ORD) (2025)

Popular airlines from Washington Dulles International Airport (IAD) to Chicago O'Hare International Airport (ORD)

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Nok Air
Thai AirAsia
Thai AirAsia
Thai Airways International
Thai Airways International
Thai AirAsia X
Thai AirAsia X
Hong Kong Airlines
Hong Kong Airlines
AirAsia
AirAsia
Scoot
Scoot

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Cheap Flights from Washington (IAD) to Chicago (ORD)

Prices were available within the past 7 days and start at ฿3,720 for one-way flights and ฿9,340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Return

Mon, 12 May - Wed, 14 May

IAD

Washington

ORD

Chicago

฿9,340

Return

found 3 days ago

Mon, 12 May - Wed, 14 May

IAD

Washington

ORD

Chicago

฿9,345

Return

found 3 days ago

Flight from Washington to Chicago route information
Origin airport	Washington Dulles Intl.
Destination airport	O'Hare Intl.
Return price	฿9,340
Distance	940 km

Perfect flights from Washington to Chicago

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Chicago. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.

Picture yourself strolling through the streets of Chicago, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.

Our flexible Washington Dulles Intl. to O'Hare Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,720 and roundtrip prices from ฿9,340. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.

But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at O'Hare Intl. and explore Chicago and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your IAD to ORD travel arrangements today and embark on the journey of a lifetime in Chicago.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to O'Hare Airport?

Round-trip flights from Washington Dulles Intl. Airport (IAD) to ORD start from ฿9,340. This is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don’t miss out. Prices and availability are subject to change. Additional terms apply.

Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to O'Hare Airport?

Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.

How do I find cheap flights from IAD to ORD that have flexible change policies?

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Dulles Intl. Airport to O’Hare Intl. Airport (ORD) flights, you’ll see a “no change fees” filter for you to select.

How far is the flight from Washington Dulles Intl. Airport (IAD) to O'Hare Intl. Airport (ORD)?

With a flight distance of 950 kilometres, it’s just a hop from IAD to O’Hare Airport. It might be a quick journey, but it’s still worth bringing something to read.

Which airlines fly direct from IAD to O'Hare Airport?

Offering 152 monthly flights, United Airlines (UA) is a great choice when flying straight from Washington Dulles Intl. Airport (IAD) to ORD.

Are Dulles Intl. Airport to O'Hare Intl. Airport (ORD) flight tickets cheaper when they're purchased at the last minute?

Flight prices go up and down like a yo-yo, so there are no guarantees. While last-minute flight deals between Washington Dulles Intl. Airport (IAD) and O’Hare Intl. Airport (ORD) are possible, it also makes sense to keep track of prices well before you fly. In fact, some air carriers publicize their prices up to a year ahead of the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to lock in your seat when the price is low.